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The role of non-CO2 mitigation options within the dairy industry for pursuing climate change targets
Mitigation of non-CO _2 climate forcing agents must complement the mitigation of CO _2 to achieve long-term temperature and climate policy goals. A large share of global non-CO _2 greenhouse gas emissions is attributed to agriculture, with a significant contribution related to dairy production. As demonstrated by the results of a recent USDA coordinated project, Dairy-CAP, dairy farmers can significantly reduce their greenhouse gas emissions by implementing beneficial management practices (BMPs). This study assesses the potential mitigation of projected climate change if greenhouse gases associated with the dairy subsector were reduced. To compare the performance of several mitigation measures under future climate change, we employ a fully coupled Earth system model of intermediate complexity, the MIT Earth System Model. With an interactive carbon-cycle, the model is capable of addressing important feedbacks between the climate and terrestrial biosphere impacting greenhouse gas concentrations. We illustrate the importance of ongoing mitigation efforts in the agricultural sector to reduce non-CO _2 greenhouse gas emissions towards established climate goals. If BMPs are implemented globally within the next three decades, projected warming by the end of the century can be reduced by 0.21 °C on average or 6% of total warming, with dairy farm mitigation contributing to 0.03 °C of the temperature reduction.
The role of non-CO2 mitigation options within the dairy industry for pursuing climate change targets
Mitigation of non-CO _2 climate forcing agents must complement the mitigation of CO _2 to achieve long-term temperature and climate policy goals. A large share of global non-CO _2 greenhouse gas emissions is attributed to agriculture, with a significant contribution related to dairy production. As demonstrated by the results of a recent USDA coordinated project, Dairy-CAP, dairy farmers can significantly reduce their greenhouse gas emissions by implementing beneficial management practices (BMPs). This study assesses the potential mitigation of projected climate change if greenhouse gases associated with the dairy subsector were reduced. To compare the performance of several mitigation measures under future climate change, we employ a fully coupled Earth system model of intermediate complexity, the MIT Earth System Model. With an interactive carbon-cycle, the model is capable of addressing important feedbacks between the climate and terrestrial biosphere impacting greenhouse gas concentrations. We illustrate the importance of ongoing mitigation efforts in the agricultural sector to reduce non-CO _2 greenhouse gas emissions towards established climate goals. If BMPs are implemented globally within the next three decades, projected warming by the end of the century can be reduced by 0.21 °C on average or 6% of total warming, with dairy farm mitigation contributing to 0.03 °C of the temperature reduction.
The role of non-CO2 mitigation options within the dairy industry for pursuing climate change targets
K A Rolph (author) / C E Forest (author) / M D Ruark (author)
2019
Article (Journal)
Electronic Resource
Unknown
Metadata by DOAJ is licensed under CC BY-SA 1.0
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